UCC3957M-3

Texas Instruments UCC3957M-3

UCC2580N-4G4

Texas Instruments UCC2580N-4G4

UCC38C43DR

Texas Instruments UCC38C43DR

UCC2808N-1G4

Texas Instruments UCC2808N-1G4

UCC3626PW

Texas Instruments UCC3626PW

UC2714N

Texas Instruments UC2714N

UCC283T-5

Texas Instruments UCC283T-5

UC2527AN

Texas Instruments UC2527AN

UCD3040RGCT

Texas Instruments UCD3040RGCT

UCC1804J883B

Texas Instruments UCC1804J883B

Price $2.18 $5.50 $4.52 $7.61
RoHS Compliant Yes Compliant Compliant Yes Yes Yes Yes Yes Not Compliant
Lead Status No Yes No No Yes Yes Yes Yes Yes No
Frequency(Min)(kHz) 26 0.1
Duty Cycle(Max)(%) 100 49 49 50
Operating Temperature Range(C) 0 to 70 -40 to 85 0 to 70 -40 to 85 -40 to 85 -40 to 85 -40 to 125 -55 to 125
Approx. Price (US$) 0.60 | 1ku 1.05 | 1ku 6.10 | 1ku 1.25 | 1ku 2.78 | 1ku 2.50 | 1ku 3.75 | 1ku
Frequency(Max)(kHz) 1000 1000 500 2000 1000
Control Method Peak Current Mode Current Voltage Current
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Military
Vin(Min)(V) 9 8.3 2.8 8 8.3
UVLO Thresholds On/Off(V) 8.4/7.6 12.5/8.3 7 12.5/8.3
Topology Boost,Buck,Buck-Boost,Flyback,Forward Push-Pull Boost,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull Boost,Flyback,Forward
Special Features Error Amplifier,Multi-topology Error Amplifier,Multi-topology,Soft Start Brushless DC Motor Control,Current-Limited,Diff Curr Sense Amp,Switching Control,Tachometer Dead Time Control Error Amplifier,Multi-topology,Soft Start,Synchronization Pin Error Amplifier,Leading Edge Blanking,Soft Start
Package Group PDIP,SOIC,VSSOP PDIP,SOIC SOIC,TSSOP SOIC DDPAK/TO-263,TO-220 PDIP VQFN CDIP
Vin(Max)(V) 400 15 9 35 12
Gate Drive(Typ)(A) 1 1 0.4
Operating Supply(Max)(V) 14.5
Operating Supply Current(mA) 3
Package Size mm2 mm2 mm2 mm2
Operating Supply(Min)(V) 11
Peak Output Current(A) 0.1 1
Prop Delay(ns) 50
Input Threshold TTL
Rise Time(ns) 30
Power Switch MOSFET
Number of Channels(#) 2
Fall Time(ns) 25
Accuracy(%) 2.5
Vout(Max)(V) 8.5
PSRR @ 100KHz(dB) 18
Iq(Typ)(mA) 0.4
Regulated Outputs(#) 1
Additional Features Overcurrent Protection,Reverse Current Protection,Thermal Shutdown
Vdo(Typ)(mV) 400
Vout(Min)(V) 1.2
Output Capacitor Type Non-Ceramic
Output Options Adjustable Output,Fixed Output
Fixed Output Options(V) 3.3,5
Iout(Max)(A) 3
GPIOs 26
No. of Outputs 8
Analog Comparators 4
No. of Digital Power Peripheral feedback loops 4
Processor 31.25MHz,32-bit ARM7
Compensator 3-pole/3-zero
A/D Channels 15
DPWM Resolution(ps) 250
Non-Volatile Memory 32kB (Program),2kB (Data)
Communications 1 PMBUS,1 UART,1 SPI